#include <iostream>
using namespace std;

#include "Graph.h"
#include "Edge.h"

int main() {

	Node node1(1), node2(2), node3(3), node4(4);
	Edge edge1(node1, node2);
	Edge edge2(node3, node4);
	Graph graph1;
	graph1 += edge1;
	cout << graph1 << endl;
	Graph graph2;
	graph2 += edge2;
	graph2 += graph1;
	cout << graph2 << endl;
	return 0;
}
